Epics belong to releases. This means that if you want to create one then you must scope it to a release.
You can list them all at once, or filter by release or product. All these means of listing epics can be further filtered by specific critera like name, modification date, tag, or assignee.
Once you have the id of a specific epic, you can inspect, modify, or delete them on the root epics resource.
Select an API endpoint from the navigation to learn more.